How to create a new page layout
1. Create a new section
- Go to My store - Theme - Theme section
- Press "+ button" in the top right corner
- Go to Advanced Layout settings and type Layout name in Page type field
- Press "+ button" in the top right corner and choose a relevant store where you want to use this layout
- Add to Route field route according to the page type
- for the category page - "product/category"
- for the product page - "product/product"
- for the information pages - "information/information"
- for the store main page - "common/home"
- for the vendor (manufacturer) page - "common/home"
- for the client account page - "account/%" - Add needed content sections to the page (how to add content sections)
- Press Save button on the top right corner
1.1 For multi-stores only
Now we need to disable using the Default layout for this store. We need to remove the store from the store's list in the Default page layout.
- Go back to My store - Theme - Theme section
- In this demo, we changing store main page, so go to Home (Main page) layout and Advanced Layout settings
- Remove needed store from the stores list
- Press Save button on the top right corner

2 How to assign this custom layout to a specific product, category or any other page
- Go to Product/Category (or another page you want to edit) edit page
- Press Design settings link in Visibility section
- Select the needed layout from the list (you can assign different layouts for different stores)
- Press Save button on the top right corner